Question

How many no. of moles are present in

0.25g of benzoic acid​

Answer 1

molar mass of benzoic acid is 122gm/mol.

given mass of benzoic acid=0.25gm.

now,

moles of benzoic acid = given mass/molar mass.

= 0.25 gm/122gm/mol

=0.00204mol

= 0.002mol. (approx.)...